a4b9cb65672970b3af3ad1cf5f0fd269a9d8aed0
[coreboot.git] / src / mainboard / msi / ms7135 / romstage.c
1 /*
2  * This file is part of the coreboot project.
3  *
4  * Copyright (C) 2007 AMD
5  * (Written by Yinghai Lu <yinghailu@amd.com> for AMD)
6  * Copyright (C) 2007 Philipp Degler <pdegler@rumms.uni-mannheim.de>
7  * (Thanks to LSRA University of Mannheim for their support)
8  * Copyright (C) 2008 Jonathan A. Kollasch <jakllsch@kollasch.net>
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation; either version 2 of the License, or
13  * (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
23  */
24
25 #define SERIAL_DEV PNP_DEV(0x4e, W83627THF_SP1)
26
27 #if CONFIG_LOGICAL_CPUS == 1
28 #define SET_NB_CFG_54 1
29 #endif
30
31 #include <stdint.h>
32 #include <string.h>
33 #include <device/pci_def.h>
34 #include <arch/io.h>
35 #include <device/pnp_def.h>
36 #include <arch/romcc_io.h>
37 #include <cpu/x86/lapic.h>
38 #include <pc80/mc146818rtc.h>
39 #include "cpu/x86/lapic/boot_cpu.c"
40 #include "northbridge/amd/amdk8/reset_test.c"
41 #include "superio/winbond/w83627thf/w83627thf_early_serial.c"
42
43 #include <cpu/amd/model_fxx_rev.h>
44 #include <console/console.h>
45 #include "northbridge/amd/amdk8/incoherent_ht.c"
46 #include "southbridge/nvidia/ck804/ck804_early_smbus.h"
47 #include "northbridge/amd/amdk8/raminit.h"
48 #include "cpu/amd/model_fxx/apic_timer.c"
49 #include "lib/delay.c"
50 #include "northbridge/amd/amdk8/debug.c"
51 #include "cpu/x86/mtrr/earlymtrr.c"
52 #include "cpu/x86/bist.h"
53 #include "northbridge/amd/amdk8/setup_resource_map.c"
54 #include "northbridge/amd/amdk8/coherent_ht.c"
55 #include "cpu/amd/dualcore/dualcore.c"
56
57 static void memreset(int controllers, const struct mem_controller *ctrl)
58 {
59         /* FIXME: Nothing to do? */
60 }
61
62 static inline void activate_spd_rom(const struct mem_controller *ctrl)
63 {
64         /* FIXME: Nothing to do? */
65 }
66
67 static inline int spd_read_byte(unsigned device, unsigned address)
68 {
69         return smbus_read_byte(device, address);
70 }
71
72 #include "northbridge/amd/amdk8/raminit.c"
73 #include "lib/generic_sdram.c"
74 #include "southbridge/nvidia/ck804/ck804_early_setup_ss.h"
75 #include "southbridge/nvidia/ck804/ck804_early_setup_car.c"
76
77 #include "cpu/amd/car/post_cache_as_ram.c"
78 #include "cpu/amd/model_fxx/init_cpus.c"
79
80 #include "northbridge/amd/amdk8/early_ht.c"
81
82 static void sio_setup(void)
83 {
84         uint32_t dword;
85         uint8_t byte;
86
87         /* Subject decoding */
88         byte = pci_read_config8(PCI_DEV(0, CK804_DEVN_BASE + 1, 0), 0x7b);
89         byte |= 0x20;
90         pci_write_config8(PCI_DEV(0, CK804_DEVN_BASE + 1, 0), 0x7b, byte);
91
92         /* LPC Positive Decode 0 */
93         dword = pci_read_config32(PCI_DEV(0, CK804_DEVN_BASE + 1, 0), 0xa0);
94         /* Serial 0, Serial 1 */
95         dword |= (1 << 0) | (1 << 1);
96         pci_write_config32(PCI_DEV(0, CK804_DEVN_BASE + 1, 0), 0xa0, dword);
97 }
98
99 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
100 {
101         static const uint16_t spd_addr[] = {
102                 (0xa << 3) | 0, (0xa << 3) | 1, 0, 0,
103                 0, 0, 0, 0,
104                 0, 0, 0, 0,
105                 0, 0, 0, 0,
106         };
107
108         int needs_reset;
109         unsigned bsp_apicid = 0;
110
111         struct mem_controller ctrl[8];
112         unsigned nodes;
113
114         if (!cpu_init_detectedx && boot_cpu()) {
115                 /* Nothing special needs to be done to find bus 0 */
116                 /* Allow the HT devices to be found */
117                 enumerate_ht_chain();
118
119                 sio_setup();
120         }
121
122         if (bist == 0) {
123                 bsp_apicid = init_cpus(cpu_init_detectedx);
124         }
125
126         w83627thf_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
127         uart_init();
128         console_init();
129
130         /* Halt if there was a built in self test failure */
131         report_bist_failure(bist);
132
133 #if 0
134         dump_pci_device(PCI_DEV(0, 0x18, 0));
135 #endif
136
137         needs_reset = setup_coherent_ht_domain();
138
139         wait_all_core0_started();
140 #if CONFIG_LOGICAL_CPUS==1
141         // It is said that we should start core1 after all core0 launched
142         start_other_cores();
143         wait_all_other_cores_started(bsp_apicid);
144 #endif
145
146         needs_reset |= ht_setup_chains_x();
147
148         needs_reset |= ck804_early_setup_x();
149
150         if (needs_reset) {
151                 print_info("ht reset -\n");
152                 soft_reset();
153         }
154
155         allow_all_aps_stop(bsp_apicid);
156
157         nodes = get_nodes();
158         //It's the time to set ctrl now;
159         fill_mem_ctrl(nodes, ctrl, spd_addr);
160
161         enable_smbus();
162
163 #if 0
164         dump_spd_registers(&ctrl[0]);
165         dump_smbus_registers();
166 #endif
167
168         sdram_initialize(nodes, ctrl);
169
170 #if 0
171         print_pci_devices();
172         dump_pci_devices();
173 #endif
174
175         post_cache_as_ram();
176 }
177